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ACI-ASTM CG8M Steel vs. EN 1.8519 Steel

Both ACI-ASTM CG8M steel and EN 1.8519 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG8M steel and the bottom bar is EN 1.8519 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
360
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
10
Fatigue Strength, MPa 280
630
Impact Strength: V-Notched Charpy, J 110
28
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 550
1200
Tensile Strength: Yield (Proof), MPa 300
1030

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1020
450
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
3.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.9
Embodied Energy, MJ/kg 56
26
Embodied Water, L/kg 160
58

Common Calculations

PREN (Pitting Resistance) 31
3.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
2790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
43
Strength to Weight: Bending, points 19
32
Thermal Diffusivity, mm2/s 4.3
11
Thermal Shock Resistance, points 12
35

Alloy Composition

Carbon (C), % 0 to 0.080
0.27 to 0.34
Chromium (Cr), % 18 to 21
2.3 to 2.7
Iron (Fe), % 58.8 to 70
95.7 to 97.1
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 3.0 to 4.0
0.15 to 0.25
Nickel (Ni), % 9.0 to 13
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.5
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035
Vanadium (V), % 0
0.1 to 0.2